Rewrite the radical as a fraction

Oct 13, 2025 by wbrum.org 17 views

$Rewrite the radical as a fraction$

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Introduction

When dealing with radicals, it's often necessary to rewrite them as fractions to simplify the expression. In this case, we're given the radical $\sqrt{\frac{25}{3}}$ and we need to rewrite it as a fraction and solve the radical. This involves finding the square root of the numerator and the denominator separately and then simplifying the resulting expression.

Rewrite the Radical as a Fraction

To rewrite the radical as a fraction, we can start by finding the square root of the numerator and the denominator separately. The square root of 25 is 5, and the square root of 3 is $\sqrt{3}$ . Therefore, we can rewrite the radical as:

\sqrt{\frac{25}{3}} = \frac{\sqrt{25}}{\sqrt{3}}

Simplify the Expression

Now that we have rewritten the radical as a fraction, we can simplify the expression by canceling out any common factors in the numerator and the denominator. In this case, the numerator and the denominator have no common factors, so the expression remains the same:

\frac{\sqrt{25}}{\sqrt{3}} = \frac{5}{\sqrt{3}}

Rationalize the Denominator

To rationalize the denominator, we need to multiply the numerator and the denominator by the square root of 3. This will eliminate the radical in the denominator:

\frac{5}{\sqrt{3}} \cdot \frac{\sqrt{3}}{\sqrt{3}} = \frac{5\sqrt{3}}{3}

Conclusion

In this article, we have rewritten the radical $\sqrt{\frac{25}{3}}$ as a fraction and solved the radical. We started by finding the square root of the numerator and the denominator separately and then simplified the resulting expression. Finally, we rationalized the denominator to eliminate the radical. The final answer is $\frac{5\sqrt{3}}{3}$ .

Step-by-Step Solution

Here's a step-by-step solution to the problem:

Rewrite the radical as a fraction: Find the square root of the numerator and the denominator separately and rewrite the radical as a fraction.
Simplify the expression: Cancel out any common factors in the numerator and the denominator.
Rationalize the denominator: Multiply the numerator and the denominator by the square root of 3 to eliminate the radical in the denominator.

Example Problems

Here are some example problems that involve rewriting radicals as fractions and solving the radical:

$\sqrt{\frac{16}{9}} = \frac{\sqrt{16}}{\sqrt{9}} = \frac{4}{3}$
$\sqrt{\frac{9}{4}} = \frac{\sqrt{9}}{\sqrt{4}} = \frac{3}{2}$
$\sqrt{\frac{36}{25}} = \frac{\sqrt{36}}{\sqrt{25}} = \frac{6}{5}$

Tips and Tricks

Here are some tips and tricks for rewriting radicals as fractions and solving the radical:

Use the square root property: The square root of a number is equal to the number raised to the power of 1/2.
Simplify the expression: Cancel out any common factors in the numerator and the denominator.
Rationalize the denominator: Multiply the numerator and the denominator by the square root of the denominator to eliminate the radical.

Common Mistakes

Here are some common mistakes to avoid when rewriting radicals as fractions and solving the radical:

Not simplifying the expression: Failing to cancel out common factors in the numerator and the denominator.
Not rationalizing the denominator: Failing to multiply the numerator and the denominator by the square root of the denominator.
Not using the square root property: Failing to use the square root property to simplify the expression.

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Introduction

In our previous article, we discussed how to rewrite the radical $\sqrt{\frac{25}{3}}$ as a fraction and solve the radical. In this article, we'll answer some frequently asked questions about this topic.

Q&A

Q: What is the square root of a fraction?

A: The square root of a fraction is the square root of the numerator divided by the square root of the denominator.

Q: How do I simplify the expression after rewriting the radical as a fraction?

A: To simplify the expression, cancel out any common factors in the numerator and the denominator.

Q: Why do I need to rationalize the denominator?

A: Rationalizing the denominator eliminates the radical in the denominator, making the expression easier to work with.

Q: Can I simplify the expression before rationalizing the denominator?

A: Yes, you can simplify the expression before rationalizing the denominator. However, it's often easier to rationalize the denominator first and then simplify the expression.

Q: What if the numerator and the denominator have no common factors?

A: If the numerator and the denominator have no common factors, the expression remains the same after simplifying.

Q: Can I use a calculator to find the square root of a fraction?

A: Yes, you can use a calculator to find the square root of a fraction. However, it's often easier to use the square root property to simplify the expression.

Q: What is the square root property?

A: The square root property states that the square root of a number is equal to the number raised to the power of 1/2.

Q: Can I use the square root property to simplify the expression?

A: Yes, you can use the square root property to simplify the expression. However, it's often easier to use the square root property in combination with simplifying and rationalizing the denominator.